CA1061481A - Channel board for telephony transmission equipment using single side band multiplexing - Google Patents
Channel board for telephony transmission equipment using single side band multiplexingInfo
- Publication number
- CA1061481A CA1061481A CA234,587A CA234587A CA1061481A CA 1061481 A CA1061481 A CA 1061481A CA 234587 A CA234587 A CA 234587A CA 1061481 A CA1061481 A CA 1061481A
- Authority
- CA
- Canada
- Prior art keywords
- channel
- input
- inputs
- frequency
- counter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 title claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 claims 2
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 13
- 238000013519 translation Methods 0.000 description 6
- 230000014616 translation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Noise Elimination (AREA)
- Time-Division Multiplex Systems (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7429954A FR2284232A1 (fr) | 1974-09-03 | 1974-09-03 | Carte de voies des dispositifs de multiplexage telephonique a bande laterale unique et de demultiplexage correspondants et dispositifs utilisant de telles cartes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1061481A true CA1061481A (en) | 1979-08-28 |
Family
ID=9142765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA234,587A Expired CA1061481A (en) | 1974-09-03 | 1975-09-02 | Channel board for telephony transmission equipment using single side band multiplexing |
Country Status (10)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253180A (en) * | 1978-12-04 | 1981-02-24 | Reliance Telecommunication Electronics Company | Voltage controlled oscillator for a transmission line communications system receiver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3505479A (en) * | 1967-12-21 | 1970-04-07 | Us Army | Multiplex system with number of channels controlled according to signal-to-noise ratio |
| FR2075807A5 (enrdf_load_stackoverflow) * | 1970-07-31 | 1971-10-08 | Sits Soc It Telecom Siemens |
-
1974
- 1974-09-03 FR FR7429954A patent/FR2284232A1/fr active Granted
-
1975
- 1975-08-27 US US05/608,241 patent/US4001511A/en not_active Expired - Lifetime
- 1975-09-01 NL NL7510283A patent/NL7510283A/xx not_active Application Discontinuation
- 1975-09-01 DD DD188114A patent/DD121449A5/xx unknown
- 1975-09-02 CA CA234,587A patent/CA1061481A/en not_active Expired
- 1975-09-02 IT IT51153/75A patent/IT1044446B/it active
- 1975-09-02 GB GB36181/75A patent/GB1511275A/en not_active Expired
- 1975-09-02 CH CH1133675A patent/CH593589A5/xx not_active IP Right Cessation
- 1975-09-03 JP JP50106876A patent/JPS51105219A/ja active Pending
- 1975-09-03 DE DE19752539236 patent/DE2539236A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DD121449A5 (enrdf_load_stackoverflow) | 1976-07-20 |
| FR2284232B1 (enrdf_load_stackoverflow) | 1979-10-12 |
| GB1511275A (en) | 1978-05-17 |
| IT1044446B (it) | 1980-03-20 |
| DE2539236A1 (de) | 1976-03-11 |
| US4001511A (en) | 1977-01-04 |
| FR2284232A1 (fr) | 1976-04-02 |
| JPS51105219A (enrdf_load_stackoverflow) | 1976-09-17 |
| CH593589A5 (enrdf_load_stackoverflow) | 1977-12-15 |
| NL7510283A (nl) | 1976-03-05 |
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